docs(tools): document error, multi-call, and tool-type response contracts for Function tools - #1252

docs(tools): document error, multi-call, and tool-type response contracts for Function tools#1252

Mehayla wants to merge 2 commits into

VapiAI:mainVapiAI/docs:mainfrom

Mehayla:helpcenter-update/custom-tools-server-response-contractMehayla/docs:helpcenter-update/custom-tools-server-response-contractCopy head branch name to clipboard